Air Admittance Valve Trap Assembly Kit with 1-1/2 inch Tuuber Vent 2x Superior

Exclusive triple flow passage with dual (2x) superior sealing capability. Un-matched increased flow attenuation. Sound open and close operation. High pressure seal.Exclusive triple flow passage with dual (2x) superior sealing capabilityUn-matched increased flow attenuationSound open and close operationHigh pressure seal